日期:2014-05-17  浏览次数:20708 次

div+css布局之固定浮动布局
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>固定浮动布局-三列</title>
<link rel="stylesheet" style="text/css" href="style2.css">
</head>

<body>
    <div id="header"><h1>上标题</h1></div>
    <div id="body">
        <div id="navl">左导航</div>
        <div id="main">中内容</div>
        <div id="navr">右导航</div>
    </div>
    <div id="footer"><p>下版权</p></div>
</body>
</html>

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/* CSS Document */
*{
    margin:0;
    padding:0;
}
body{
    margin:10px;
}
#header{
    border:1px solid black;
    width:600px;
    height:60px;
    margin:0 auto;
    margin-bottom:10px;
}
#header h1{
    height:60px;
    line-height:60px;
    font-size:16px;
    text-align:center;
}
#body{
    width:600px;
    margin:0 auto;
}
#navl{
    border:1px solid black;
    width:150px;
    height:500px;
    float:left;
    margin-bottom:10px;
    background:lightcyan;
}
#main{
    border:1px solid black;
    width:294px;/*边框也算一个像素*/
    height:500px;
    float:left;
    margin-bottom:10px;
    background:lightblue;
}
#navr{
    border:1px solid black;
    width:150px;
    height:500px;
    float:right;
    margin-bottom:10px;
    background:lightyellow;
}
#footer{
    border:1px solid black;
    width:600px;
    height:60px;
    line-height:60px;
    margin:0 auto;
    text-align:center;
    clear:both;
}

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效果如下:



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